Leavitt, Harold J. Managerial psychology : an introduction to individuals, pairs, and groups in organizations / Harold J. Leavitt. - 4th ed. - Chicago : University of Chicago Press, 1978. - x, 385 p. : ill. ; 24 cm. Includes index. ISBN: 0226469743 Subjects--Topical Terms: Psychology, Industrial. Dewey Class. No.: 158.7 / LEA N78M